Hi Olaf,
On 16.05.2014 19:18, Olaf Hering wrote:
I did unplug an USB stick by accident with 3.14.4, the result is this
warning:
[94414.233882] usb 1-3: USB disconnect, device number 4
[94414.245377] scsi 5:0:0:0: rejecting I/O to offline device
[94414.245383] scsi 5:0:0:0: killing request
[94414.370354] FAT-fs (sdc1): unable to read boot sector to mark fs as
dirty
[94414.370393] ------------[ cut here ]------------
[94414.370400] WARNING: CPU: 2 PID: 3619 at fs/sysfs/group.c:216
sysfs_remove_group+0xa1/0xb0()
[94414.370403] sysfs group ffffffff81c50ca0 not found for kobject
'target5:0:0'
This [1] might fix the problem you encountered. I reckon one of your
drivers exposes a binary attribute file in a named attribute group,
which it tries to remove when being unloaded. However, the path it looks
for this attribute file is likely wrong.
[1] http://comments.gmane.org/gmane.linux.kernel/1684070
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